See also:

Malfunction
Comfort Access may not function properly if it experiences interference from external sources such as mobile phones, metal objects, overhead power lines, transmission towers, etc. In this case, ...

Switching between cases, letters and numbers
Depending on the menu, you can switch between entering upper and lower case, letters and numbers: Without navigation system Select the symbol. ...

Loss of the remote controls
Lost remote controls can be blocked by your service center. ...